Old National Bank Data Breach: Protecting Your Information in Indiana
Old National Bank recently announced a data breach that exposed personal information, affecting individuals in Indiana. The incident, which occurred on August 14, 2025, is currently under investigation, leaving many wondering about the security of their data. This situation highlights the importance of understanding your rights and how to safeguard your personal details after such an event.
This breach is real, not a scam. Old National Bank (see 2025 Report for Marquis Software Solutions) officially reported it to the IN Attorney General on March 16, 2026.
Reviewed by David S. Harris, Esq., data breach and class action attorney (Florida Bar No. 0112739). Free consultation: 786-306-7278
Received a Old National Bank (see 2025 Report for Marquis Software Solutions) notification letter? Find out in minutes if you qualify for compensation.
Free case review- State
- IN
- Breach date
- August 14, 2025
- Reported
- March 16, 2026
Old National Bank has reported a data breach that compromised personal information on August 14, 2025. While details regarding the specific nature of the breach are still emerging, the bank has confirmed that an unauthorized party accessed systems containing customer data. The investigation into the full scope of the incident is ongoing, and affected individuals are receiving notifications.
When your personal information is exposed in a data breach, it can create significant risks. Exposed data can be used by malicious actors for various forms of identity theft and fraud. This means you could face unwelcome consequences, ranging from unauthorized account access to fraudulent credit applications, without swift action.
It is crucial to remain vigilant following any data breach. We recommend closely monitoring all financial statements and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit files to prevent new accounts from being opened in your name. Additionally, be extra cautious of unsolicited emails, calls, or texts, as scammers often try to exploit breach situations.
Victims of data breaches often face unexpected burdens, including the time and effort required to protect themselves from fraud, and potential financial losses. Many individuals find themselves navigating complex situations alone, trying to understand their rights and the best course of action after their personal information has been compromised through no fault of their own.
Our dedicated legal team understands the challenges you face when your personal information is exposed. We are committed to helping victims understand their options and pursue potential legal recourse. If you have received a data breach notification from Old National Bank, we offer a free case review to discuss your specific situation and evaluate how we might be able to assist you.
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Old National Bank data breach lawyer, lawsuit and letter questions
- Do I need a Old National Bank data breach lawyer or attorney?
- You don't need to pay to find out. Our data breach attorneys review notices like this one for free, and data breach cases are usually handled on contingency — no fee unless money is recovered for you.
- Can I sue Old National Bank over the data breach?
- It depends on what was exposed, the law in IN and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- Is there a Old National Bank data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Old National Bank. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- Is the Old National Bank data breach letter legit or a scam?
- A notice from Old National Bank in the mail matches the breach Old National Bank reported to the IN Attorney General on March 16, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Old National Bank through a phone number or website you find yourself.
- Did Old National Bank offer free credit monitoring?
- Any free monitoring Old National Bank is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Signing up doesn't waive any legal rights you may have.
- How much could a Old National Bank data breach settlement or claim be worth?
- There is no set amount, and no Old National Bank settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
- Where can I see the official Old National Bank breach notice?
- Old National Bank's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#old-national-bank-see-2025-report-for-marquis-software-solut-2026 Compare it with the letter you received to confirm the dates and details match.
- What should I do after getting the Old National Bank data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Source: IN Attorney General filing
Related data breach cases
- Bozeman School DistrictIndiana
- Bozeman School District
- Teamsters Local 17Indiana
- Teamsters Local 17
- BankIndiana
- Bank
- PeoplesBankIndiana
- McKenzie Creative BrandsIndiana
- MEBS Global ReachIndiana
- Midvale Indemnity and American Family Connect Insurance CompanyIndiana
- American Motorcyclist AssociationIndiana
- Nishiyamato AcademyIndiana
- Deer Management Co. LLC dba Bessemer Venture PartnersIndiana
- World Acceptance CorporationIndiana